arm64: dts: renesas: rzg2l-smarc-som: Move extal and memory nodes to SOM DTSI

Move extal and memory nodes to SOM DTSI.
Signed-off-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>
Reviewed-by: Biju Das <biju.das.jz@bp.renesas.com>
Link: https://lore.kernel.org/r/20210922212049.19851-2-prabhakar.mahadev-lad.rj@bp.renesas.comSigned-off-by: Geert Uytterhoeven <geert+renesas@glider.be>

arch/arm64/boot/dts/renesas/r9a07g044l2-smarc.dts

@@ -7,15 +7,10 @@
 
 /dts-v1/;
 #include "r9a07g044l2.dtsi"
+#include "rzg2l-smarc-som.dtsi"
 #include "rzg2l-smarc.dtsi"
 
 / {
 	model = "Renesas SMARC EVK based on r9a07g044l2";
 	compatible = "renesas,smarc-evk", "renesas,r9a07g044l2", "renesas,r9a07g044";
-
-	memory@48000000 {
-		device_type = "memory";
-		/* first 128MB is reserved for secure area. */
-		reg = <0x0 0x48000000 0x0 0x78000000>;
-	};
 };

arch/arm64/boot/dts/renesas/rzg2l-smarc-som.dtsi

+// SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+/*
+ * Device Tree Source for the RZ/G2L SMARC SOM common parts
+ *
+ * Copyright (C) 2021 Renesas Electronics Corp.
+ */
+
+/ {
+	memory@48000000 {
+		device_type = "memory";
+		/* first 128MB is reserved for secure area. */
+		reg = <0x0 0x48000000 0x0 0x78000000>;
+	};
+};
+
+&extal_clk {
+	clock-frequency = <24000000>;
+};

arch/arm64/boot/dts/renesas/rzg2l-smarc.dtsi

@@ -89,10 +89,6 @@ &ehci1 {
 	status = "okay";
 };
 
-&extal_clk {
-	clock-frequency = <24000000>;
-};
-
 &hsusb {
 	dr_mode = "otg";
 	status = "okay";